What is the meaning of “this” in Java?

Question

Normally, I use this in constructors only.

I understand that it is used to identify the parameter variable (by using this.something), if i

Answer 1

Quoting an article at programming.guide:

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this has two uses in a Java program.

1. As a reference to the current object

The syntax in this case usually looks something like

this.someVariable = someVariable;

This type of use is described here: The 'this' reference (with examples)

2. To call a different constructor

The syntax in this case typically looks something like

MyClass() {
    this(DEFAULT_VALUE); // delegate to other constructor
}

MyClass(int value) {
    // ...
}

This type of use is described here: this(…) constructor call (with examples)